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• .. (вверх)
• [DIR] ..
• [FILE] HoverState.js
• [FILE] Pressability.js
• [FILE] PressabilityDebug.js
• [FILE] PressabilityPerformanceEventEmitter.js
• [FILE] PressabilityTypes.js
• [FILE] usePressability.js

Просмотр файла: PressabilityDebug.js

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @flow strict-local
 * @format
 */

import type {ColorValue} from '../StyleSheet/StyleSheet';

import View from '../Components/View/View';
import normalizeColor from '../StyleSheet/normalizeColor';
import {type RectOrSize, normalizeRect} from '../StyleSheet/Rect';
import * as React from 'react';

type Props = $ReadOnly<{
  color: ColorValue,
  hitSlop: ?RectOrSize,
}>;

/**
 * Displays a debug overlay to visualize press targets when enabled via the
 * React Native Inspector. Calls to this module should be guarded by `__DEV__`,
 * for example:
 *
 *   return (
 *     <View>
 *       {children}
 *       {__DEV__ ? (
 *         <PressabilityDebugView color="..." hitSlop={props.hitSlop} />
 *       ) : null}
 *     </View>
 *   );
 *
 */
export function PressabilityDebugView(props: Props): React.Node {
  if (__DEV__) {
    if (isEnabled()) {
      const normalizedColor = normalizeColor(props.color);
      if (typeof normalizedColor !== 'number') {
        return null;
      }
      const baseColor =
        '#' + (normalizedColor ?? 0).toString(16).padStart(8, '0');
      const hitSlop = normalizeRect(props.hitSlop);
      return (
        <View
          pointerEvents="none"
          style={
            // eslint-disable-next-line react-native/no-inline-styles
            {
              backgroundColor: baseColor.slice(0, -2) + '0F', // 15%
              borderColor: baseColor.slice(0, -2) + '55', // 85%
              borderStyle: 'dashed',
              borderWidth: 1,
              bottom: -(hitSlop?.bottom ?? 0),
              left: -(hitSlop?.left ?? 0),
              position: 'absolute',
              right: -(hitSlop?.right ?? 0),
              top: -(hitSlop?.top ?? 0),
            }
          }
        />
      );
    }
  }
  return null;
}

let isDebugEnabled = false;

export function isEnabled(): boolean {
  if (__DEV__) {
    return isDebugEnabled;
  }
  return false;
}

export function setEnabled(value: boolean): void {
  if (__DEV__) {
    isDebugEnabled = value;
  }
}

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